#!/bin/sh
# Usage: iptables-flush [-6]

iptables=/usr/bin/iptables
tables="filter mangle raw"

if [ "$1" = "-6" ]; then
    iptables=/usr/bin/ip6tables
else
    # Only ipv4 has a nat table
    tables="$tables nat"
fi

for table in ${tables}; do
    $iptables -t "$table" -F
    $iptables -t "$table" -X
done

for chain in INPUT FORWARD OUTPUT; do
    $iptables -P "$chain" ACCEPT
done
